Patents Assigned to Aluart Aluminum B.V.
  • Ventilation device
    Patent number: 4953451
    Abstract: Ventilation device with a rectangular frame of which each of the upright sides is formed by an end part, the bottom is formed by a glass holder adapted to the thickness of a glass panel, and the top is formed by a profiled L-shaped strip of which the horizontal leg facing the room defines with an edge projecting from the upright leg an accommodation space into which fits the horizontal leg of an inverted T-section with off-center upright leg.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: September 4, 1990
    Assignee: Aluart Aluminum B.V.
    Inventor: Willem D. Arbouw